Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ISRCTN44117747) titled 'Cumulative live birth rates after cleavage-stage versus blastocyst-stage embryo transfer in women with low prognosis' on Dec. 16, 2025.
Study Type: Observational
Study Design:
Single-center prospective observational cohort study (Efficacy)
Primary Sponsor: Northwest Women's and Children's Hospital
Condition:
Infertility
Pregnancy and Childbirth
Intervention:
Current interventions as of 02/01/2026:
This prospective cohort study compares outcomes between two sequential groups of patients undergoing in vitro fertilization (IVF) treatment, stratified by the timing of embryo transfer.
(1) Day 3 (Cleavage-Stage...